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Safety Relief Valve NSN 4820-01-256-0830

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-01-256-0830 NSN: 4820-01-256-0830

Features and Characteristics

Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
4820 Nonpowered Valves
NIIN
012560830
NSN
4820012560830

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
83MS44-2
Cage Code:
01343
Status:
A
MSDS:
Part Number:
3-3404
Cage Code:
01343
Status:
A
MSDS:
Part Number:
214-4639663ITEMMC27
Cage Code:
80064
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-256-0830
What are the manufacturers of nsn 4820012560830?
Does this nsn 4820012560830 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012560830
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820012560830 contain any precious metals?
No precious metal content.
Does nsn 4820012560830 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012560830?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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